This paper reviews game theoretic approaches to develop the formation of international environmental agreements in general and climate agreements in particular. We confront cooperative and non-cooperative approaches paying special attention to heterogeneous players and transfers. Recent...

We analyze the performance of kernel density methods applied to grouped data to estimate poverty (as applied in Sala-i-Martin, 2006, QJE). Using Monte Carlo simulations and household surveys, we find that the technique gives rise to biases in poverty estimates, the sign and magnitude of which...